Finding the Third Proportional to 165,619.69 and 256,926.94
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Solution
The third proportional to 165,619.69 and 256,926.94 is: 398,572.49
Step by Step Solution
- Step 1: Write the proportion equation
165,619.69 : 256,926.94 = 256,926.94 : x - Step 2: Convert to fraction form
165,619.69/256,926.94 = 256,926.94/x - Step 3: Cross multiply
165,619.69x = 256,926.94 × 256,926.94 - Step 4: Simplify right side
165,619.69x = 66,011,451,213.13 - Step 5: Solve for x
x = 66,011,451,213.13/165,619.69 - Step 6: Final answer
x = 398,572.49
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.